Maintenance & Technical > KX500 Original

Surging on deceleration

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motorman455:
I dealt with surging for a few years until recently. This year I replaced the carb with a JD 41mm keihin and it completely disappeared. Not sure if it's his needle design or what but the surging is gone.

1980mcneil:
I do have the power Dynamo already for my dual sport kit.
I ordered some leaner Jets for both the pilot and the main.
He'll be here on the 12th and I'll give an update

dave916:

--- Quote from: 1980mcneil on July 10, 2017, 03:17:29 PM ---I do have the power Dynamo already for my dual sport kit.
I ordered some leaner Jets for both the pilot and the main.
He'll be here on the 12th and I'll give an update

--- End quote ---
In Theory running rich on pilot /idle screw in full/  which in turn would have slide slighty open should work good as it gives case compression a bleed off on closed trottle
Seems to work ok for me anyway / I like to run rich on pilot / due to alot of overrun on a supermoto

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